Silicone extrusion stock

Details Silicone extrusion stock Silicone extrusion stock

C - Chemistry, Metallurgy

08

L

400/7224

C08L 83/04 (2006.01) C08K 9/06 (2006.01)

Patent

CA 1315452

IMPROVED SILICONE EXTRUSION STOCK Abstract A method of producing an improved extruding silicone rubber stock consists essentially of mixing together a polydiorganosiloxane having a Williams Plasticity Number of from 125 to 180 and a gel slope activity of less than 25 and a reinforcing silica filler having a surface area of greater than 150 m2/g and a hydrophobic surface from a silane treatment to give a stock which has a Garvey rating of greater than 3.5 at an extrusion rate of 20 rpm.

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